Does a Car Need Fuel If It's Not Driven for a Long Time?
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If a car is not driven for a long time, it's better to fill it halfway with fuel. Below is relevant information about engine oil: 1. Introduction: Engine oil, also known as motor lubricant, with a density of approximately 0.91×10³ (kg/m³), serves to lubricate and reduce friction in the engine, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption. It is often referred to as the 'blood' of a car. Engine oil consists of two parts: base oil and additives. The base oil is the main component of lubricating oil, determining its basic properties, while additives compensate for and improve the shortcomings of the base oil, imparting certain new characteristics, making them an essential part of lubricating oil. 2. Classification: Engine oils on the market can be broadly divided into mineral oils and synthetic oils based on their base oil (vegetable oils are not considered due to their scarcity). Synthetic oils are further categorized into full synthetic and semi-synthetic.